It's like a county fair goldfish on steroids. Golden oscars are quite similar to copper oscars but with more of a yellowish ...

Corey Ketchum of the U.S. Fish and Wildlife service holds a giant goldfish found during a survey in Presque Isle, Pennsylvania. The service then posted a warning about releasing petstore goldfish ...

If you’ve been dreaming of adding something a little more exciting than a goldfish or guinea pig to your household, you might want to pump the brakes.

Now, we’re begging you to stop releasing pet goldfish into local waterways. The seemingly benign and tiny household pets can grow to gargantuan sizes, like the ones the United States Fish ...